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For the Inventor, By the Inventor

Kawasaki, Japan

Takashi Yamaguchi

This inventor holds 65 USPTO granted patents, primarily in Image Processing (CPC class G06F). Top assignees: Kabushiki Kaisha Toshiba, Konami Co., Ltd., Kioxia Corporation. Active years: 1979-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Yamaguchi. Retrieved from https://idiyas.com/inventor/takashi-yamaguchi-4j65eqem

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 65

% Patents Active = 86.2

Average Co-Inventor Count = 2.1

ph-index = 15

Forward Citations = 1,799(Granted Patents)

Forward Citations (Not Self Cited) = 1,772(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Aichi, JP (1987)
  • Sapporo, JP (1999)
  • Zama, JP (1997 - 2000)
  • Kanagawa-ken, JP (1998 - 2003)
  • Nagoya, JP (1988 - 2010)
  • Kashiwa, JP (2015)
  • Kawasaki, JP (1984 - 2021)
  • Yokohama, JP (1979 - 2022)
  • Yokohama Kanagawa, JP (2020 - 2024)

Company Filing History:

goldMedal35 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal7 out of 253 
 
Konami Co., Ltd.
 patents
bronzeMedal4 out of 3,216 
 
Kioxia Corporation
 patents
4. 4 out of 2,955 
 
Toshiba Memory Corporation
 patents
5. 3 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
6. 3 out of 39,378 
 
Fujitsu Corporation
 patents
7. 3 out of 1,344 
 
Mita Industrial Co., Ltd.
 patents
8. 3 out of 2,606 
 
Ngk Spark Plug Company, Limited
 patents
9. 1 out of 326 
 
Konami Gaming, Inc.
 patents
10. 1 out of 44 
 
Teikoku Hormone Mfg. Co., Ltd.
 patents
11. 1 out of 1,269 
 
Toppan Printing Co., Ltd.
 patents

Years Active: 1979-2024

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Areas of Expertise:
Image Processing
Memory Control
Gaming Technology
Laser Recording
Power Control
Data Transfer
Verification Methods
Digital Watermarking
Image Capturing
Electronic File Systems
Personal Authentication
MIM Capacitors
65 patents (USPTO):Explore Patents
1. 11886742 - Memory system control method for power-level state of a host via PCIe bus including receiving optimized buffer flush/fill (OBFF) messages over the PCIe bus (2024-01-30),
2. RE49273 - Switch and memory device (2022-10-31),
3. RE49117 - Switch module and storage system (2022-06-27),
4. 11184549 - Image-capturing system, information processing apparatus, control method of information processing apparatus, and storage medium (2021-11-23),
5. 11175858 - Memory system control method receiving optimized buffer flush/fill (OBFF) messages over a PCIE bus (2021-11-16),
6. 11073896 - Storage device and a power control method for storage device (2021-07-27),
7. 10684672 - Selection of a low power consumption mode in a memory system based on information on a data transfer state (2020-06-16),
8. 10445018 - Switch and memory device (2019-10-15),
9. 10289560 - Switch module and storage system (2019-05-14),
10. 9956787 - Laser recording device and recording method (2018-05-01),
11. 9924082 - Imaging apparatus (2018-03-20),
12. 9321277 - Image forming method and image forming apparatus (2016-04-26),
13. 9104103 - Information recording medium and method of manufacturing the same (2015-08-11),
14. 9052667 - Image forming apparatus having an interlock switch (2015-06-09),
15. 8625857 - Image processing method and image processing apparatus (2014-01-07),

Title: Takashi Yamaguchi: Innovator in Memory Systems and PCIe Technologies

Introduction

Takashi Yamaguchi, based in Kawasaki, Japan, is a distinguished inventor known for his significant contributions to memory systems and PCIe (Peripheral Component Interconnect Express) technology. With an impressive portfolio of 65 patents, Yamaguchi continues to innovate, bridging the gap between advanced technology and practical applications.

Latest Patents

Yamaguchi's recent patents include a groundbreaking method for memory system control that enhances the power-level state of a host via the PCIe bus. This innovative system is capable of receiving optimized buffer flush and fill (OBFF) messages, allowing a memory system to be efficiently controlled based on the host's operating state.

Another notable patent involves a switch designed to interface seamlessly with storage devices and hosts according to the PCIe standard. This switch features a control unit that effectively manages access requests while adhering to the NVMe (Non-Volatile Memory Express) standard, ensuring efficient data transmission.

Career Highlights

Throughout his career, Takashi Yamaguchi has worked with prominent companies such as Kabushiki Kaisha Toshiba and Konami Co., Ltd. His expertise in memory systems has not only advanced the technology used in these organizations but has also led to significant improvements in data processing and storage solutions.

Collaborations

Yamaguchi has collaborated with esteemed colleagues, including Tadayoshi Ohno and Shinichi Itoh. Together, they have developed innovative solutions that address complex challenges in the fields of memory technology and data transmission, contributing to their respective companies' successes.

Conclusion

As an influential figure in the realm of memory systems and PCIe technology, Takashi Yamaguchi's work continues to shape the industry. His extensive patent portfolio showcases his commitment to innovation and underscores his role as a leader in advancing technological solutions for modern challenges.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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